KR100874468B1

KR100874468B1 - Slide rail

Info

Publication number: KR100874468B1
Application number: KR1020080057304A
Authority: KR
Inventors: 허재용
Original assignee: 허재용
Priority date: 2008-06-18
Filing date: 2008-06-18
Publication date: 2008-12-18

Abstract

A slide rail is provided to prevent a moving body from being opened or closed by itself, and prevent the moving body from being opened or closed suddenly, thereby preventing the moving body from injuring a worker. In a slide rail(1) interposed between a fixed body(110) and a moving body(120) to enable the moving body to enter or leave the fixed body, the slide rail comprises a fixed rail(10) installed on the fixed body, a moving rail(20) coupled to the fixed rail such that the moving rail can be slid to the fixed rail, a fixed irregularity portion(50) successively installed on the moving rail in the longitudinal direction, and an elastic fixing member(40) capable of fixing the position of the moving rail relative to the fixed rail.

Description

Slide rail {SLIDE RAIL}

The present invention relates to a slide rail installed between the movable body and the fixed body to facilitate sliding movement of the movable body with respect to the fixed body, and more particularly, to a slide rail for fixing the position at the point at which the movable body is placed.

In general, the slide rail is interposed between the movable body and the fixed body to facilitate the movement of the movable body with respect to the fixed body. Specifically, the slide rail is installed on both sides of the drawer or on both sides of the keyboard stand of the computer desk to drawer or keyboard. It guides the movement of the pedestal and serves to facilitate the movement.

By the way, when the slide rail is installed in the drawer has the advantage that the drawer is easy to put in and out, but the friction between the drawer and the drawer has a drawback that the drawer is not fixed when the drawer is closed and the drawer is easy to open in the drawer. In order to solve this problem, the stopper is installed at the rear end of the drawer or at the rear end of the slide rail in Korean Patent Application Publication No. 10-2007-0012679, Korean Patent Application Publication No. 10-2007-0119001, and Korean Utility Model Registration No. 20-0359808. Thus, when the drawer is completely closed, the drawer is fixed to the stopper to prevent the drawer from opening itself.

In some cases, when the drawer is opened or removed from the drawer, the drawer may need to be opened about halfway, and according to the slide rail of the present invention, it is difficult to fix the drawer at a cashier's position and thus, the work becomes difficult. Even when the slide rail is installed on the keyboard stand of the computer desk, there is a problem that it is difficult to work with the computer if the keyboard stand is sliding by itself.

In addition, if a drawer is opened while putting an object into the drawer of the drawer, there is a possibility that the drawer and the user collide and are injured. Even when the slide rail is installed on the keyboard stand of the computer desk, there is a problem that a computer stand is likely to cause injury due to the keyboard stand being opened while the computer user is standing up.

The present invention has been made in order to solve the above-mentioned problems, by fixing the position of the movable body at the position of the dispensing of the moving object to prevent the moving body from opening or closing spontaneously, preventing the moving body from suddenly opening or closing to prevent injury due to the moving object It aims to prevent wearing.

The object of the present invention described above, in the slide rail interposed between the fixed body and the movable body to enable the withdrawal of the movable body to the fixed body, the fixed rail is installed on the fixed body and the sliding groove is formed on the upper and lower ends And a movable rail installed on the movable body and slidably coupled to the fixed rail, a fixed uneven portion continuously installed in the longitudinal direction on the movable rail, and installed on the fixed rail and elastically contacting the fixed uneven portion. It is achieved by providing a slide rail comprising an elastic fastener to enable the positioning of the movable rail relative to the fixed rail.

According to a preferred feature of the invention, the elastic fastener, the fixing housing which is installed on the inside of the fixing rail, the fixing protrusion which is movably installed in the fixing housing, interposed between the fixing protrusion and the fixing housing the fixing protrusion It includes an elastic spring that provides an elastic force to contact the fixed concave-convex portion.

According to a more preferred feature of the invention, the elastic fastener, the fixed housing is installed inside the fixed rail, the wire spring is installed in the fixed housing and formed in the c-shape, rotatably to the end of the wire spring A fixing protrusion installed in the fixing housing, an elastic adjusting nut installed in the fixing housing and having upper and lower ends in contact with the wire spring, and installed at a side of the fixing housing and screwed with the elastic adjusting nut to fix the elastic force of the wire spring. It includes an elastic adjusting bolt to adjust.

According to a further preferred feature of the present invention, the fixing concave-convex portion is installed on the upper and lower ends of the inner side of the moving rail, the elastic fastener is installed on the inner tip of the fixing rail, the fixing protrusion is the fixing protrusion It is installed on both sides of upper and lower sides corresponding to the fixed concave-convex portion.

According to an even more preferable feature of the present invention, between the fixed rail and the moving rail is further provided with a rail bearing for facilitating the sliding movement of the moving rail and a rail bearing cage for maintaining a constant distance between the rail bearing.

According to a further preferred feature of the invention, the rear end of the moving rail is further provided with an inner stopper for preventing the rear end of the moving rail from being separated from the front end of the fixed rail when the moving rail sliding, the fixed rail At the tip of the outer stopper is further installed.

Another object of the present invention described above is a slide rail interposed between a stationary body and a movable body to enable the withdrawal of the movable body to the fixed body, the fixing being provided on the fixed body and the sliding groove is formed on the top and bottom A rail, a moving rail installed on the movable body and coupled to the fixed rail so as to be slidably movable, a fixed uneven portion continuously installed in the longitudinal direction on the fixed rail, and installed on the movable rail and elastic to the fixed uneven portion It is achieved by providing a slide rail comprising an elastic fastener which is in contact to enable positioning of the movable rail relative to the stationary rail.

According to the slide rail according to the present invention, by using the fixing concave-convex portion and the elastic fixture when the moving object in and out, the moving body is fixed to prevent the opening or closing of the moving body by itself to facilitate the work, the moving body is suddenly opened It can be prevented from being injured by moving objects by preventing them from being closed or closed.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. This is intended to be described in detail so that those skilled in the art can easily carry out the invention, which does not mean that the technical spirit and scope of the present invention is limited.

1 shows a perspective view of a slide rail 1 according to an embodiment of the present invention, and FIGS. 2A and 2B show a longitudinal sectional view and a cross-sectional view of the slide rail 1 according to an embodiment of the present invention. 3A is a cross-sectional view of the elastic fixture 40 to which the wire spring 48 is applied, and FIG. 3B is a cross-sectional view of the elastic fixture 40 to which the coil spring 44 is applied. 45 is a cross-sectional view of the elastic fixture 40 applied.

The slide rail 1 according to the exemplary embodiment of the present invention includes a slide rail 1 interposed between the fixed body 110 and the movable body 120 to allow the movable body 120 to be inserted into and out of the fixed body 110. In the), the fixed rail 10 is installed on the fixed body 110 and the sliding groove 30 is formed on the upper and lower ends thereof, and the movable rail is installed on the fixed body 10 and coupled to the fixed rail 10 so as to be movable. Moving rail 20 and the fixed concave-convex portion 50 which is continuously installed in the longitudinal direction on the moving rail 20, the fixed rail 10 is installed in the fixed concave-convex portion 50 is in contact with the fixed rail ( It comprises an elastic fixture 40 to enable the position fixing of the moving rail 20 relative to 10).

Fixing rail 10 is formed long in the longitudinal direction and is fixed to one side of the fixing body (110). And, the upper and lower ends of the fixed rail 10 is formed with a sliding groove 30 to guide the sliding movement of the moving rail 20 to enable the sliding movement in the longitudinal direction.

The moving rail 20 is installed at one side of the moving body 120 to correspond to a portion where the fixed rail 10 is installed, and the moving rail 20 is coupled to the fixed rail 10 so as to be slidable. On the other hand, the upper and lower ends of the movable rail 20 is formed with a sliding groove 30 to facilitate the sliding movement of the movable rail 20 corresponding to the sliding groove 30 of the fixed rail (10). The rail 10 and the movable rail 20 are preferably made of metal or synthetic resin having high durability and high strength.

The fixed rail 10 and the movable rail 20 are coupled to each other in the sliding groove 30 so that the movable rail 20 slides with respect to the fixed rail 10 to move the movable body 120 relative to the fixed body 110. To facilitate.

Preferably, between the sliding groove 30 of the fixed rail 10 and the sliding groove 30 of the moving rail 20 rail bearings to facilitate the sliding movement of the moving rail 20 relative to the fixed rail (10) 80 is interposed, and the rail bearing cage 81 which maintains a constant space | interval between the rail bearings 80 is provided. In addition, lubricating oil may be interposed between the sliding groove 30 of the fixed rail 10 and the sliding groove 30 of the moving rail 20 to facilitate the sliding movement.

Fixing uneven portion 50 is installed on the inner upper and lower ends of the moving rail 20, the fixing uneven portion 50 will be described later as a member that the groove 51 and the projection 52 is formed continuously on one side thereof. The elastic fixture 40 is elastically in contact with the groove 51 and the protrusion 52 of the fixing concave-convex portion 50 serves to fix the moving rail 20 with respect to the fixing rail (10). In addition, since the elastic fixing tool 40 is in constant contact with the fixing concave-convex portion 50, it is preferable to be made of a material having high wear resistance.

The elastic fixture 40 is installed at the tip of the fixing rail 10, the elastic fixing portion 50 is in contact with the above-mentioned fixing uneven portion 50 to enable the position fixing of the movable rail 20. That is, the elastic fixing sphere 40 is in contact with the groove 51 of the fixing concave-convex portion 50 when there is no action of the external force for sliding movement to fix the moving rail 20 to the fixed rail 10, The movable body 120 is fixed to the fixed body 110 to prevent the movable body 120 from moving to the front end or the rear end by itself.

In addition, the elastic fastener 40 may be installed on the fixed rail 10 in a plurality of two or more, and may be installed on the central portion of the fixed rail 10 instead of the front end portion. As the number of elastic fasteners 40 installed on the fixed rail 10 increases, the movable body 120 may be more firmly fixed to the fixed body 110.

Preferably, the elastic fastener 40 is a fixed housing 41 which is installed on the inside of the fixed rail 10, a fixing protrusion 42 which is installed to be movable in the fixed housing 41, the fixing protrusion 42 And an elastic spring interposed between the fixing housing 41 and the elastic protrusion to provide elastic force to elastically contact the fixing protrusions 50 with the fixing protrusion 42.

In detail, the fixing housing 41 of the elastic fixing tool 40 is installed at the inner end of the fixing rail 10, and the inner space for the installation of the elastic spring and the fixing protrusion 42 is provided inside the fixing housing 41. Is formed, the fixing projection hole 43 for the mounting of the fixing projections 42 is formed on the top and bottom.

The fixing protrusion 42 is a member whose upper end is elastically contacted with the groove 51 of the fixing recessed and projecting portion 50. The fixing protrusion 42 is formed in a protrusion shape, a rotary ball shape, a bearing shape, or the like, and is installed in the fixing housing 41. It may itself be formed in the form of a projection. In addition, the elastic spring serves to provide an elastic force so that the fixing protrusion 42 elastically contacts the groove of the fixing uneven portion 50. The elastic spring includes a wire spring 48, a coil spring 44, and a leaf spring ( 45) may be selected.

In this embodiment, the fixing protrusion 42 is formed in the form of a rotating bearing as shown in Figure 3a, the wire spring 48 is selected as the elastic spring. The wire spring 48 is formed in a U-shape and a ring 49 for mounting the fixing protrusion 42 is formed at both ends. Fixed bearing 42 in the form of a rotating bearing is rotatably mounted on the ring 49 at both ends of the wire spring 48 to reduce friction and noise.

The above-described wire spring 48 is installed in the fixed housing 41 installed at the inner end of the fixed rail 10. An elastic adjustment bolt 46 is installed at the left side of the fixed housing 41, and the wire spring 48 is provided. ) Is installed on the inner side of the left side of the fixed housing 41, the outer shape of the elastic adjustment nut 47 is formed in a trapezoidal shape is screwed to one side of the elastic adjustment bolt 46, the upper and lower ends of the wire spring 48 It is installed to contact).

When the elastic adjustment bolt 46 is rotated, the elastic adjustment nut 47 is moved left and right, thereby widening or narrowing the space between the upper and lower portions of the wire spring 48 formed in the c-shape, and thus the wire spring 48. ) The elastic force becomes stronger or weaker.

By tightening the elastic adjustment bolt 46, the elastic force of the wire spring 48 is strengthened so that the moving rail 20 is more firmly fixed to the fixed rail 10. When the elastic adjustment bolt 46 is reversed and released, the elastic force of the wire spring 48 is weakened so that the noise is reduced and the movement becomes more flexible when the moving rail 20 moves with respect to the fixed rail 10.

As an alternative, as shown in FIG. 3B, the fixing protrusion 42 is formed in the shape of a rotating sphere, and the coil spring 44 is selected as the elastic spring, and the fixing protrusion hole 43 is formed at the upper and lower ends of the fixing housing 41. ) Are formed respectively. Fixing protrusions 42 in the form of rotating spheres are respectively installed on the upper and lower ends of the fixing protrusion holes 43, and the fixing protrusions 42 are connected to the coil springs 44 so that the fixing protrusions 42 are fixed and uneven parts 50. The elastic force is provided to the fixing protrusion 42 so as to make continuous elastic contact with the groove 51 and the protrusion 52 of.

In addition, the fixing protrusion 42 is made of a material that is abrasion resistance because the constant frictional contact with the fixed uneven portion 50 is made. When the fixing protrusion 42 is formed in the shape of a rotary ball, it is possible to expect a reduction in noise due to friction between the fixing protrusion 42 and the fixing uneven portion 50, and an improvement in durability.

As another alternative, as shown in FIG. 3c, the plate spring 45 is selected as the elastic spring, and the curved surface formed convexly on one side of the plate spring 45 serves as the fixing protrusion 42.

That is, the elastic fastener 40 is a fixed housing 41 which is installed inside the fixed rail 10, and installed in the fixed housing 41 and is formed in a U-shape, the upper and lower portions are formed convexly convex to face each other. It is made to include a leaf spring 45 to be installed so that the curved surface of the leaf spring 45 is exposed to the outside.

The curved surface of the leaf spring 45 is formed convexly curved to the upper side and the lower side is installed so that the curved surface of the exposed leaf spring 45 is the groove 51 and the projection of the fixed convex portion 50 Resilient contact with 52 enables positioning of the movable rail 20.

In addition, the fixed housing 41 and the leaf spring 45 are preferably made of metal or synthetic resin having excellent durability, and may be integrally formed from the same material.

Preferably, an inner stopper 60 is further installed at the rear end of the movable rail 20 to prevent the rear end of the movable rail 20 from being separated from the front end of the fixed rail 10 when the movable rail 20 moves. At the distal end of the fixed rail 10, an outer stopper 70 is further installed.

In detail, when the slide rail (1) in accordance with an embodiment of the present invention when the sliding movement to the rear end of the moving rail 20, the moving rail 20 is separated from the fixed rail 10, the moving rail 20 In order to prevent the fixing rail 10 from being separated, an inner stopper 60 and an outer stopper 70, which are known components, are additionally installed. The inner stopper 60 is installed to protrude inwardly to the rear end of the movable rail 20, and the outer stopper 70 is installed to protrude inwardly to the front end of the fixed rail 10.

4a and 4b show longitudinal and cross-sectional views of a slide rail 1 according to another embodiment of the invention.

The slide rail 1 according to another embodiment of the present invention is interposed between the fixed body 110 and the movable body 120, the slide rail (1) to enable the withdrawal of the movable body 120 with respect to the fixed body 110 In, the fixed rail 10 is installed on the fixed rail 110 and the sliding groove 51 is formed on the upper and lower ends, the movable body 120 is coupled to the sliding rail to be movable to the fixed rail (10) Moving rail 20 and the fixed concave-convex portion 50 continuously installed in the longitudinal direction on the fixed rail 10, the moving rail 20 is installed in the fixed concave-convex portion 50, the fixed rail ( It comprises an elastic fixture 40 to enable the position fixing of the moving rail 20 relative to 10).

The slide rail 1 according to another embodiment of the present invention has the same configuration as that of the slide rail 1 according to the embodiment of the present invention described above, and only the fixing convex portion 50 and the elastic fastener 40 Only the location where) is installed.

Specifically, the fixing concave-convex portion 50 is installed in the longitudinal direction inside the fixing rail 10, the elastic fastener 40 is in elastic contact with the groove 51 and the projection 52 of the fixing concave-convex portion 50. It is installed on the inner rear end of the moving rail 20. The elastic fixture 40 may be installed in plurality of two or more.

5 shows a state diagram of use of the slide rail 1 according to the embodiment of the present invention.

Hereinafter, the slide rail 1 according to an embodiment of the present invention will be described a state of use installed in the drawer 220 of the drawer cabinet 201.

Fixed rails 10 are installed at both inner sides of the furniture body 210, and movable rails 20 are installed at both sides of the drawer 220. Since the drawer 201 is generally made of steel or wood, the fixing rail 10 and the moving rail 20 are installed by welding, riveting, screwing, or bonding.

Inserting the drawer 220 into the furniture body 210 to complete the installation, the sliding groove 30 of the moving rail 20 is installed to be coupled to the sliding groove 30 of the fixed rail (10).

Withdrawal of the drawer 220 is facilitated by the rail bearing 80 interposed between the sliding groove 30 of the movable rail 20 and the sliding groove 30 of the fixed rail 10 when the drawer 220 is dismounted. . If it is necessary to stop at a specific position during the withdrawal of the drawer 220, as soon as the action of the external force for the sliding movement of the drawer 220 disappears automatically by the fixing concave-convex portion 50 and the elastic fastener (40) 220) It is convenient because the position is fixed.

In particular, when installed on the slide rail (1) according to an embodiment of the present invention on the keyboard stand of the computer desk to prevent the keyboard stand from being pushed out or pushed out during use of the computer to facilitate the operation of the computer user and injuries To prevent.

When the drawer 220 is completely closed, the drawer 220 is fixed and the drawer 220 opens on its own in the closed position by fixing the fixing convex portion 50 at the distal end of the movable rail 20. Is prevented. When the drawer 220 is fully opened, the drawer 220 is prevented from being pulled out of the drawer cabinet 201 due to the inner stopper 60 and the outer stopper 70.

1 is a perspective view of a slide rail according to an embodiment of the present invention.

Figure 2a is a longitudinal sectional view of the slide rail according to an embodiment of the present invention.

FIG. 2B is a cross-sectional view of FIG. 2A taken at AA ';

Figure 3a is a cross-sectional view of the elastic fixture to which the wire spring is applied.

Figure 3b is a cross-sectional view of the elastic fixture to which the coil spring is applied.

Figure 3c is a cross-sectional view of the elastic fixture to which the spring applied.

4A and a longitudinal sectional view of a slide rail according to another embodiment of the present invention.

4B is a cross sectional view taken along the line BB 'of FIG. 4A;

5 is a state diagram used in the slide rail according to an embodiment of the present invention.

One ; Slide rail

10; Fixed rail 20; Moving rail

30; Sliding groove 40; Elastic Fixture

41; Fixed housing 42; Fixing protrusion

43; Fixing projection hole 44; Coil spring

45; Leaf spring 46; Elastic adjustment bolt

47; Elastic adjusting nut 48; Wire spring

49; Ring 50; Fixed irregularities

51; Groove 52; spin

60; Inner stopper 70; Outer stopper

80; Rail bearing 81; Rail Bearing Cage

110; Fixture 120; Moving object

201; Chest of drawers 210; Furniture

220; a drawer

Claims

In the slide rail which is interposed between the stationary body and the movable body to allow the movable body to be withdrawn from the fixed body,

A fixed rail installed at the fixed body and having sliding grooves formed at upper and lower ends thereof;

A moving rail installed on the movable body and slidably coupled to the fixed rail;

A fixed concave-convex portion which is continuously installed in the longitudinal direction on the moving rail; And

And an elastic fastener installed on the fixed rail and elastically contacting the fixed uneven portion to enable the position fixing of the movable rail with respect to the fixed rail.

The elastic fixture is,

A fixed housing installed inside the fixed rail, a wire spring installed in the fixed housing and formed in a c-shape, a fixed protrusion rotatably installed at an end of the wire spring, and installed in the fixed housing and having an upper end and a lower end. The slide is characterized in that it comprises an elastic adjustment nut installed to be in contact with the wire spring, and an elastic adjustment bolt installed on the side of the fixed housing and screwed with the elastic adjustment nut to adjust the elastic force of the wire spring. rail.

The method according to claim 1,

The fixing concave-convex portion is installed at the upper end and the lower end of the inner side of the moving rail, the elastic fixing tool is installed on the inner end of the fixing rail, the fixing protrusion is installed on the elastic fixing tool in both the upper and lower sides corresponding to the fixing concave portion Slide rail characterized in that the.

The method according to claim 1,

Slide rail, characterized in that the rail between the rail and the moving rail to facilitate the sliding movement of the moving rail and the rail bearing cage for maintaining a constant distance between the rail bearing is further installed.

The method according to claim 1,

An inner stopper is further installed at a rear end of the movable rail to prevent the rear end of the movable rail from being separated from the distal end of the fixed rail when the movable rail is slid, and an outer stopper is further provided at the distal end of the fixed rail. A slide rail characterized by the above-mentioned.

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